1. GLOBAL WARMINGBy,Harish Kumar Lekkala(117R1A0132)Civil -II 2. What is global warming?• Global warming is the rise in theaverage temperature of Earth'satmosphere…
1. Environmental issues 2. Global warming• What is global warming?-the increase in the average temperature of theEarths near-surface air and oceans since themid-20th century…
1.PRESENTED ByMANALI KHANTEDCRO03669862. Global Warming is theincreaseof Earthsaverage surfacetemperaturedue toeffect of greenhousegases, such as carbondioxide emissions…
1. History of Earth’s Climate• Earth formed ~4.6 billion years ago• Originally very hot• Sun’s energy output only 70% ofpresent• Liquid water present ~4.3 billion…